Add a channel for apriballs, and legendary/mythical/ultra beast pokemon.
#More Channels
onyx mesa
fringe wave
Assuming you mean trading channels?
Feel free to open a trading post and design it to your likings, as long as it abides to the #trading_rules. There's no need for any of those you listed to have seperate channels.
sand steeple
Also to add to this, it's in the first post by the owner of the server:
A) We do not wish to segregate the channels more than they currently are.
While he was answering about raids, the same is true for trading. We won't segregate the channels any further than what is already there. Like Ili said though, you're welcome to make a trading post and LF any of the things you've listed.